| MATERIAL | STEEL COMP 4130 OR |
| STEEL COMP 8630 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6049, CONDITION F MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| CROSS-SECTIONAL SHAPE | HEXAGON |
| WIDTH ACROSS FLATS | 0.313 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| LENGTH | 0.563 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) |
| UNC RIGHT INTERNAL |
| NOMINAL THREAD SIZE | 0.438 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.438 INCHES RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 32 RIGHT INTERNAL |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.438 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.438 INCHES NOMINAL RIGHT INTERNAL |